--- /dev/null
+#!/bin/bash
+
+# A Metadata Update Test tests that
+# metadata updates are properly completed when
+# multiple clients create/delete files and modify the attributes of files.
+
+set -e
+
+LUSTRE=${LUSTRE:-$(cd $(dirname $0)/..; echo $PWD)}
+. $LUSTRE/tests/test-framework.sh
+init_test_env $@
+. ${CONFIG:=$LUSTRE/tests/cfg/$NAME.sh}
+
+TRACE="+x"
+
+TESTDIR=${TESTDIR:-$DIR/d0.$(basename $0 .sh)}
+
+NODES_TO_USE=${NODES_TO_USE:-$CLIENTS}
+
+[ -z $CLIENTS ] && NODES_TO_USE=$(hostname)
+
+FILE=testfile
+FILE_SIZE=1024
+CURRENT_MODE=0644
+NEW_MODE=0222
+NEW_ATIME="2001-01-01 GMT"
+NEW_MTIME="2005-05-05 GMT"
+
+test_UID=$(id -u)
+test_GID=$(id -g)
+
+NUM_FILES=1000
+
+WRITE_DISJOINT=${WRITE_DISJOINT:-$(which write_disjoint 2> /dev/null)} || true
+WRITE_DISJOINT_FILE=$TESTDIR/f0.write_disjoint_file
+NUMLOOPS=1000
+
+SUM=$(pwd)/sum
+
+log "===== $0 ====== "
+
+check_and_setup_lustre
+
+cleanup_prepare () {
+
+ do_nodes $NODES_TO_USE "set $TRACE;
+DIR=$TESTDIR/\\\$(hostname);
+TESTFILE=\\\$DIR/$FILE;
+rm -f \\\$TESTFILE;
+rmdir \\\$DIR 2>/dev/null;
+mkdir -p \\\$DIR" || return ${PIPESTATUS[0]}
+
+ return 0
+}
+
+do_mknod () {
+ echo "Creating file(s) by mknod (2) ... "
+
+ do_nodes $NODES_TO_USE "set $TRACE
+TESTFILE=$TESTDIR/\\\$(hostname)/$FILE
+mcreate \\\$TESTFILE" || return ${PIPESTATUS[0]}
+
+ return 0
+}
+
+do_write () {
+ echo "Writing data to file(s) ... store md5sum ... "
+
+ do_nodes $NODES_TO_USE "set $TRACE;
+TESTFILE=$TESTDIR/\\\$(hostname)/$FILE;
+sum=${SUM}_\\\$(hostname);
+dd if=/dev/zero of=\\\$TESTFILE bs=$FILE_SIZE count=1 2>/dev/null;
+md5sum \\\$TESTFILE > \\\$sum "
+ if [ ${PIPESTATUS[0]} -ne 0 ] ; then
+ echo "ERROR: on file creation"
+ return 1
+ fi
+
+ return 0
+}
+
+do_check_data () {
+ local HOST
+ echo "Checking file(s) data ... "
+
+ for HOST in ${NODES_TO_USE//,/ } ; do
+ local sum=${SUM}_$HOST
+ do_nodes $NODES_TO_USE "md5sum --check $sum"
+ if [ ${PIPESTATUS[0]} -ne 0 ] ; then
+ echo "ERROR: wrong data."
+ [ -f $sum ] && { cat $sum ; rm -f $sum; }
+ return 1
+ fi
+ [ -f $sum ] && { cat $sum; rm -f $sum; }
+ done
+
+ return 0
+}
+
+do_truncate () {
+ echo "Truncating file(s) ... "
+
+ do_nodes $NODES_TO_USE "set $TRACE;
+TESTFILE=$TESTDIR/\\\$(hostname)/$FILE;
+truncate \\\$TESTFILE 0" || return ${PIPESTATUS[0]}
+
+ FILE_SIZE=0
+
+ return 0
+}
+
+# check st_uid, st_gid, st_size, st_mode
+get_stat () {
+ local attr="$test_UID $test_GID $FILE_SIZE $CURRENT_MODE"
+
+ echo "Checking file(s) attributes ... "
+
+ do_nodes $NODES_TO_USE "set $TRACE;
+for HOST in ${NODES_TO_USE//,/ } ; do
+ TESTFILE=$TESTDIR/\\\$HOST/$FILE;
+ tmp=\\\$(stat -c \\\"%u %g %s 0%a\\\" \\\$TESTFILE);
+ echo \\\"\\\$TESTFILE [ uid gid size mode ] expected : $attr ; got : \\\$tmp \\\";
+ if [ x\\\"\\\$tmp\\\" != x\\\"$attr\\\" ] ; then
+ echo \\\"Wrong file attributes\\\";
+ exit 56;
+ fi;
+done "
+ if [ ${PIPESTATUS[0]} -ne 0 ] ; then
+ return 1
+ fi
+
+ return 0
+}
+
+do_chmod () {
+ echo "Performing chmod 0$NEW_MODE ..."
+
+ do_nodes $NODES_TO_USE "set $TRACE;
+TESTFILE=$TESTDIR/\\\$(hostname)/$FILE;
+chmod $NEW_MODE \\\$TESTFILE" || return ${PIPESTATUS[0]}
+
+ CURRENT_MODE=$NEW_MODE
+
+ return 0
+}
+
+do_change_timestamps () {
+ echo "Changing atime, mtime ..."
+
+ do_nodes $NODES_TO_USE " set $TRACE;
+TESTFILE=$TESTDIR/\\\$(hostname)/$FILE;
+touch -c --date=\\\"$NEW_ATIME\\\" -a \\\$TESTFILE;
+touch -c --date=\\\"$NEW_MTIME\\\" -m \\\$TESTFILE " || return ${PIPESTATUS[0]}
+
+ return 0
+}
+
+# check st_atime, st_mtime
+do_check_timestamps () {
+ local atime=$(date --date="$NEW_ATIME" +%s)
+ local mtime=$(date --date="$NEW_MTIME" +%s)
+
+ local times="$atime $mtime"
+
+ echo "Checking atime, mtime ... "
+
+ do_nodes $NODES_TO_USE "set $TRACE;
+for HOST in ${NODES_TO_USE//,/ } ; do
+ TESTFILE=$TESTDIR/\\\$HOST/$FILE;
+ tmp=\\\$(stat -c \\\"%X %Y\\\" \\\$TESTFILE);
+ if [ x\\\"\\\$tmp\\\" != x\\\"$times\\\" ] ; then
+ echo \\\"\\\$TESTFILE [ atime mtime ] expected : $times ; got : \\\$tmp \\\";
+ RC=57;
+ fi;
+done;
+exit \\\$RC"
+ if [ ${PIPESTATUS[0]} -ne 0 ] ; then
+ echo "WARNING : Wrong atime and(or) mtime values. Hope this is expected."
+ return 0
+ fi
+
+ return 0
+}
+
+do_fill_dir () {
+ echo "Filling up directories ... files : f1 ... f$NUM_FILES) ... "
+
+ do_nodes $NODES_TO_USE "set $TRACE;
+TESTFILE=$TESTDIR/\\\$(hostname)/$FILE;
+rm -f \\\$TESTFILE;
+DIR=$TESTDIR/\\\$(hostname);
+for i in \\\$(seq $NUM_FILES) ; do
+ touch \\\$DIR/f\\\$i;
+done " || return ${PIPESTATUS[0]}
+
+ return 0
+}
+
+check_dir_contents () {
+ local num_files=${1:-1}
+
+ echo "Checking dir contents ... (should exist files : f$num_files ... f$NUM_FILES) ... "
+ do_nodes $NODES_TO_USE "set $TRACE;
+for HOST in ${NODES_TO_USE//,/ } ; do
+ DIR=$TESTDIR/\\\$HOST;
+ for i in \\\$(seq $NUM_FILES -1 $num_files) ; do
+ if ! [ -f \\\$DIR/f\\\$i ] ; then
+ echo \\\"ERROR: file \\\$DIR/f\\\$i should exist\\\";
+ RC=1;
+ fi;
+ done;
+ for i in \\\$(seq $(($num_files - 1 ))) ; do
+ if [ -f \\\$DIR/f\\\$i ] ; then
+ echo \\\"ERROR: deleted file \\\$DIR/f\\\$i exists\\\";
+ RC=1;
+ fi;
+ done;
+done;
+exit \\\$RC "
+ if [ ${PIPESTATUS[0]} -ne 0 ] ; then
+ return 1
+ fi
+
+ return 0
+}
+
+do_partial_delete () {
+ local num_files=$1
+
+ echo "Deleting files ... f1 ... f$num_files ... "
+ do_nodes $NODES_TO_USE "set $TRACE;
+DIR=$TESTDIR/\\\$(hostname);
+for i in \\\$(seq $num_files) ; do
+ if ! rm -f \\\$DIR/f\\\$i ; then
+ exit 1;
+ fi;
+done " || return ${PIPESTATUS[0]}
+
+ return 0
+}
+
+STATUS=0
+
+chmod 0777 $MOUNT || exit 1
+mkdir -p $TESTDIR || exit 1
+chmod 0777 $TESTDIR || exit 1
+
+cleanup_prepare || exit 1
+
+# create file(s) (mknod (2)), write data, check data, check file attributes
+echo "Part 1. create file(s) (mknod (2)), write data, check data, check file attributes."
+do_mknod || exit ${PIPESTATUS[0]}
+do_write || exit ${PIPESTATUS[0]}
+do_check_data || exit ${PIPESTATUS[0]}
+get_stat || STATUS=1
+
+# file(s) attributes modification
+echo "Part 2. file(s) attributes modification."
+do_chmod || exit ${PIPESTATUS[0]}
+get_stat || STATUS=1
+
+do_change_timestamps || exit ${PIPESTATUS[0]}
+do_check_timestamps || STATUS=1
+
+# truncate file(s) to 0 size, check new file size
+echo "Part 3. truncate file(s) to 0 size, check new file size."
+do_truncate || exit ${PIPESTATUS[0]}
+get_stat || STATUS=1
+
+# directory content solidity
+echo "Part 4. directory content solidity: fill up directory, check dir content, remove some files, check dir content."
+do_fill_dir || exit ${PIPESTATUS[0]}
+check_dir_contents || STATUS=1
+
+do_partial_delete $(($NUM_FILES / 2)) || exit ${PIPESTATUS[0]}
+check_dir_contents $(($NUM_FILES / 2 + 1)) || STATUS=1
+
+# "write_disjoint" test
+echo "Part 5. write_disjoint test: see lustre/tests/write_disjoint.c for details"
+if [ -f "$WRITE_DISJOINT" ]; then
+ set $TRACE
+ MACHINEFILE=${MACHINEFILE:-$TMP/$(basename $0 .sh).machines}
+ generate_machine_file $NODES_TO_USE $MACHINEFILE
+ mpi_run -np $(get_node_count ${NODES_TO_USE//,/ }) $MACHINEFILE \
+ $WRITE_DISJOINT -f $WRITE_DISJOINT_FILE -n $NUMLOOPS || STATUS=1
+else
+ skip "$0 : write_disjoint not found "
+fi
+
+equals_msg `basename $0`: test complete, cleaning up
+rm -rf $TESTDIR
+rm -f $MACHINEFILE
+check_and_cleanup_lustre
+exit $STATUS